7857875983 has 16 divisors (see below), whose sum is σ = 8539097760. Its totient is φ = 7203030016.

The previous prime is 7857875981. The next prime is 7857876023. The reversal of 7857875983 is 3895787587.

It is not a de Polignac number, because 7857875983 - 2¹ = 7857875981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7857875981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91608 + ... + 155266.

It is an arithmetic number, because the mean of its divisors is an integer number (533693610).

Almost surely, 2^7857875983 is an apocalyptic number.

7857875983 is a deficient number, since it is larger than the sum of its proper divisors (681221777).

7857875983 is a wasteful number, since it uses less digits than its factorization.

7857875983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63866.

The product of its digits is 118540800, while the sum is 67.

The square root of 7857875983 is about 88644.6613338897. The cubic root of 7857875983 is about 1988.0854951478.

The spelling of 7857875983 in words is "seven billion, eight hundred fifty-seven million, eight hundred seventy-five thousand, nine hundred eighty-three".